About: http://webisa.webdatacommons.org/133841640

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Coal is currently a major energy source in the United States as well as throughout the world, especially among many developing countries, and will continue to be so for many years.
http://www.w3.org/ns/prov#wasQuotedFrom	elsevier.com